Home / 934,286.40-1,289,293.91-571,709.14

Finding the Fourth Proportional to 934,286.40, 1,289,293.91 and 571,709.14

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Solution

The fourth proportional to 934,286.40, 1,289,293.91 and 571,709.14 is: 788,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,286.40 : 1,289,293.91 = 571,709.14 : x
  2. Step 2: Convert to fraction form
    934,286.40/1,289,293.91 = 571,709.14/x
  3. Step 3: Cross multiply
    934,286.40x = 1,289,293.91 × 571,709.14
  4. Step 4: Simplify right side
    934,286.40x = 737,101,108,555.47
  5. Step 5: Solve for x
    x = 737,101,108,555.47/934,286.40
  6. Step 6: Final answer
    x = 788,945.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.